Previously based on a 12-column grid system. Currently - any-column - grid system based on flex properties.
Created solely for not having to write a barebone minimal HTML/CSS for every project. Works for me, may work for you, maybe not.
Created by Pawel Jonik Free to use under MIT License
This grid is based on html5 markup: sections & articles and CSS flex properties. You basically add "_flex" class for element to be treated as flex container.
To force columns on any circumstances add class:
._half,
._one-third, ._two-thirds,
._one-fourth, ._three-fourths,
or ._quarter, _three-quarters
or ._wide
you'll get
Example for html5 sectioning markup (demo):
Simple, huh. ;-)